111002031321 has 8 divisors (see below), whose sum is σ = 148053702720. Its totient is φ = 73975857072.

The previous prime is 111002031311. The next prime is 111002031373. The reversal of 111002031321 is 123130200111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111002031321 - 2⁵ = 111002031289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111002031321.

It is not an unprimeable number, because it can be changed into a prime (111002031311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6364126 + ... + 6381543.

It is an arithmetic number, because the mean of its divisors is an integer number (18506712840).

Almost surely, 2^111002031321 is an apocalyptic number.

It is an amenable number.

111002031321 is a deficient number, since it is larger than the sum of its proper divisors (37051671399).

111002031321 is a wasteful number, since it uses less digits than its factorization.

111002031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12748575.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 111002031321 its reverse (123130200111), we get a palindrome (234132231432).

The spelling of 111002031321 in words is "one hundred eleven billion, two million, thirty-one thousand, three hundred twenty-one".